| On the origin of species by means of natural selection : or, the preservation of favoured races in the struggle for life | |
| 1859 |  |
| Charles Robert Darwin(1809-1882) | |
|
|
| On the origin of species by means of natural selection : or, the preservation of favoured races in the struggle for life | |
| 1859 | |
| Charles Robert Darwin(1809-1882) | |
|
|